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Finding the Fourth Proportional to 2,578,522,080.52, 3,867,783,120.78 and 2,578,522,080.52

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Solution

The fourth proportional to 2,578,522,080.52, 3,867,783,120.78 and 2,578,522,080.52 is: 3,867,783,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,522,080.52 : 3,867,783,120.78 = 2,578,522,080.52 : x
  2. Step 2: Convert to fraction form
    2,578,522,080.52/3,867,783,120.78 = 2,578,522,080.52/x
  3. Step 3: Cross multiply
    2,578,522,080.52x = 3,867,783,120.78 × 2,578,522,080.52
  4. Step 4: Simplify right side
    2,578,522,080.52x = 9,973,164,179,593,785,344
  5. Step 5: Solve for x
    x = 9,973,164,179,593,785,344/2,578,522,080.52
  6. Step 6: Final answer
    x = 3,867,783,120.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.